Frequencies for first 10,000 rows of drg6ing5 variable in nhamcsed2002 dataset :

 ingredient |
code #5 for |
    drug #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,997       99.97       99.97
      56195 |          1        0.01       99.98
      56250 |          1        0.01       99.99
      70396 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016